Finding the Fourth Proportional to 12,295,982.40, 18,443,973.60 and 3,775,211.70
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Solution
The fourth proportional to 12,295,982.40, 18,443,973.60 and 3,775,211.70 is: 5,662,817.55
Step by Step Solution
- Step 1: Write the proportion equation
12,295,982.40 : 18,443,973.60 = 3,775,211.70 : x - Step 2: Convert to fraction form
12,295,982.40/18,443,973.60 = 3,775,211.70/x - Step 3: Cross multiply
12,295,982.40x = 18,443,973.60 × 3,775,211.70 - Step 4: Simplify right side
12,295,982.40x = 69,629,904,929,211.13 - Step 5: Solve for x
x = 69,629,904,929,211.13/12,295,982.40 - Step 6: Final answer
x = 5,662,817.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.